Do u need all of them solved
Answer:
x=-4
Step-by-step explanation:
You could multiply the length that they have given you by 2 and subtract that from the perimeter. That gives you the total length of the missing side and divide it by 2 to get one side.
Answer:
Step-by-step explanation:
- Speed of the boat = x
- Speed of the current = y
<u>Travel downstream, speed is:</u>
<u>Travel upstream, speed is:</u>
<u>Add up the equations:</u>
- x + y + x - y = 30 + 20
- 2x = 50
- x = 25
<u>Find y:</u>
Speed of the boat is 25 mph
Speed of the current is 5 mph
Answer:
perimeter = 6 units
Step-by-step explanation:
6/2 = 3
2 + 5/3 + 7/3 = 6
